I have has to restart my iPhone 7 so many times because it freezes, very annoyed with it! You have to hold the volume buttons and the power button at the same time to ”soft reset” the phone!
I can’t even shut it off
2 replies
The following may help: If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support
A notification banner won’t disappear and it’s freezing my iPhone 7